Untreated atrial septal defect can lead to pulmonary hypertension, chest infection, Eisenmenger's syndrome, atrial fibrillation, atrial flutter, stroke, or right-sided heart failure.
Eisenmenger's syndrome-A condition in which high pressures in the pulmonary arteries cause them to thicken.
Eisenmenger's syndrome is a serious condition that leads to heart failure and can result in death by age 40 if left untreated.
Two variations of septal defects include atrioventricular canal defect and Eisenmenger's complex.
Eisenmenger's complex is a ventricular septal defect coupled with pulmonary high blood pressure, an enlarged right ventricle, and sometimes an aorta that is not positioned correctly.
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